2019078340

素因数分解:

$2^2\times 5^1\times {\mathrm{1487}}^1\times {\mathrm{67891}}^1$

素因数の和:69387

約数の個数: 24

約数和(自身を含む): 4242978432

約数和(自身を除く): 2223900092

約数列:

[1, 2, 4, 5, 10, 20, 1487, 2974, 5948, 7435, 14870, 29740, 67891, 135782, 271564, 339455, 678910, 1357820, 100953917, 201907834, 403815668, 504769585, 1009539170, 2019078340]

約数ペア:

[(1, 2019078340), (2, 1009539170), (4, 504769585), (5, 403815668), (10, 201907834), (20, 100953917), (1487, 1357820), (2974, 678910), (5948, 339455), (7435, 271564), (14870, 135782), (29740, 67891)]